Emerica_Collin Provost Draws the Line. In support of the new Provost Slim pro model Emerica has released this clip of Collin Provost. “He does what he does best, taking the line less traveled, at the legendary Santa Rosa Skatepark in Northern Cali“. … Older Post Sabotage_Go Skateboarding Day: Philadelphia 2015. Newer Post Blast! The Big One 2015_photo report.